package com.mojianxi.blogdemo.web.admin;

import com.mojianxi.blogdemo.po.Blog;
import com.mojianxi.blogdemo.po.User;
import com.mojianxi.blogdemo.service.BlogService;
import com.mojianxi.blogdemo.service.TagService;
import com.mojianxi.blogdemo.service.TypeService;
import com.mojianxi.blogdemo.vo.BlogQuery;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.web.PageableDefault;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpSession;

/**
 * @Description TODO
 * @Author:liuxiaodong
 * @Date 2019/10/10 11:19
 * @Company dyld
 */
@Controller
@RequestMapping("/admin")
public class BlogController {
    private static final String INPUT="admin/blogs-input";
    @Autowired
    private BlogService blogService;
    @Autowired
    private TypeService typeService;
    @Autowired
    private TagService tagService;
    @RequestMapping("/blogs")
    public String blogs(@PageableDefault(size=2,sort = {"updateTime"},direction = Sort.Direction.DESC) Pageable pageable, BlogQuery blog, Model model) {
        model.addAttribute("types",typeService.listType());
        model.addAttribute("page",blogService.listBlog(pageable,blog));
        return "admin/blogs";
    }
    @PostMapping("/blogs/search")
    public String search(@PageableDefault(size=2,sort = {"updateTime"},direction = Sort.Direction.DESC) Pageable pageable, BlogQuery blog, Model model) {
        model.addAttribute("page",blogService.listBlog(pageable,blog));
        return "admin/blogs::blogList";
    }
    @GetMapping("/blogs/input")
    public String input(Model model){
        setTypeAndTag(model);
        model.addAttribute("blog",new Blog());
        return "admin/blogs-input";
    }

    @GetMapping("/blogs/{id}/input")
    public String editInput(@PathVariable Long id, Model model){
        setTypeAndTag(model);
        Blog blog=blogService.getBlog(id);
        blog.init();
        model.addAttribute("blog",blog);
        return "admin/blogs-input";
    }

    private void setTypeAndTag(Model model) {
        model.addAttribute("types", typeService.listType());
        model.addAttribute("tags", tagService.listTag());
    }

    @PostMapping("/blogs")
    public String post(Blog blog, RedirectAttributes attributes, HttpSession session){
        blog.setUser((User) session.getAttribute("user"));
        blog.setType(typeService.getType(blog.getType().getId()));
        blog.setTags(tagService.listTag(blog.getTagIds()));
        Blog b;
        if(blog.getId()==null){
            b=blogService.saveBlog(blog);
        }else {
            b=blogService.updateBlog(blog.getId(),blog);
        }
        if(b==null){
            attributes.addFlashAttribute("message","新增失败");
        }else {
            attributes.addFlashAttribute("message","新增成功");
        }
        return "redirect:/admin/blogs";
    }
    @GetMapping("/blogs/{id}/delete")
    public String delete(@PathVariable Long id,RedirectAttributes attributes){
        blogService.deleteBlog(id);
        attributes.addFlashAttribute("message","删除成功");
        return "redirect:/admin/blogs";
    }
}